Question 326827
1)y=-3x + 19
2)y=2x-1

so take he right side of the equation in number 2 and replace it for y in number 1

2x-1 = -3x+19
5x=20
x=4
now sub x=4 back into 1 or 2 to get  y, both will give same answer
from 1)y=-3(4)+19 = -12+19 = 7
from 2)y=2(4)-1 = 8-1 = 7

therefore x=4, y =7